EP0749005A3 - Transducteur acoustique - Google Patents

Transducteur acoustique Download PDF

Info

Publication number
EP0749005A3
EP0749005A3 EP96108758A EP96108758A EP0749005A3 EP 0749005 A3 EP0749005 A3 EP 0749005A3 EP 96108758 A EP96108758 A EP 96108758A EP 96108758 A EP96108758 A EP 96108758A EP 0749005 A3 EP0749005 A3 EP 0749005A3
Authority
EP
European Patent Office
Prior art keywords
acoustic transducer
acoustic
transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96108758A
Other languages
German (de)
English (en)
Other versions
EP0749005A2 (fr
Inventor
Nils Kroemer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0749005A2 publication Critical patent/EP0749005A2/fr
Publication of EP0749005A3 publication Critical patent/EP0749005A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)
EP96108758A 1995-06-12 1996-05-31 Transducteur acoustique Withdrawn EP0749005A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29509574U 1995-06-12
DE29509574U DE29509574U1 (de) 1995-06-12 1995-06-12 Schallwandler

Publications (2)

Publication Number Publication Date
EP0749005A2 EP0749005A2 (fr) 1996-12-18
EP0749005A3 true EP0749005A3 (fr) 1997-04-09

Family

ID=8009213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108758A Withdrawn EP0749005A3 (fr) 1995-06-12 1996-05-31 Transducteur acoustique

Country Status (2)

Country Link
EP (1) EP0749005A3 (fr)
DE (1) DE29509574U1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29611678U1 (de) * 1996-07-04 1997-08-07 Siemens Ag Schallwandler, insbesondere Ultraschallwandler
JP3233059B2 (ja) * 1997-03-07 2001-11-26 株式会社村田製作所 超音波センサ
DE19725717C2 (de) * 1997-06-18 2001-08-02 Hydrometer Gmbh Ultraschallwandler für Flüssigkeitsdurchflussmesser
WO2001045081A1 (fr) * 1999-12-17 2001-06-21 Siemens Aktiengesellschaft Transducteur a ultrasons piezoelectrique comportant un boitier et une couche isolante
DE10055893C5 (de) * 2000-11-10 2010-04-01 Hydrometer Gmbh Ultraschallwandler-Anordnung für den Einsatz in einem Durchflußmesser für ein gasförmiges oder flüssiges Medium
DE10133395A1 (de) * 2001-07-13 2003-01-23 Flowtec Ag Messkopf für ein Ultraschall-Durchflussmessgerät
DE10356114A1 (de) * 2003-11-27 2005-06-23 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses eines Messmediums
DE102005003398A1 (de) * 2005-01-24 2006-08-03 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses
DE102005044880C5 (de) * 2005-09-20 2017-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultraschalllwandler für einen Einsatz bei hohen und/oder tiefen Temperaturen
DE102010063538A1 (de) 2010-12-20 2012-06-21 Endress + Hauser Flowtec Ag Ultraschall-Durchflussmessgrät
DE102011082615A1 (de) * 2011-09-13 2013-03-14 Endress + Hauser Flowtec Ag Ultraschallwandler eines Ultraschall-Durchflussmessgeräts
DE102013201928A1 (de) * 2013-02-06 2014-08-07 Richard Wolf Gmbh Schallwandlertechnik
CN114257935A (zh) * 2020-09-25 2022-03-29 克洛纳测量技术有限公司 超声变换器和其运行方法、超声流量测量仪和其运行方法
DE102021107559A1 (de) 2021-03-25 2022-09-29 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Qualitätsprüfung von Ultraschallwandlern

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898840A (en) * 1974-01-30 1975-08-12 Automation Ind Inc Multi-frequency ultrasonic search unit
DE3012038A1 (de) * 1980-03-28 1981-10-01 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Elektroakustischer wasserschallwandler
US5121628A (en) * 1990-10-09 1992-06-16 Merkl Arthur W Ultrasonic detection system
WO1992018256A1 (fr) * 1991-04-20 1992-10-29 Jones Richard W Dispositif de generation d'ondes acoustiques
US5355048A (en) * 1993-07-21 1994-10-11 Fsi International, Inc. Megasonic transducer for cleaning substrate surfaces

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898840A (en) * 1974-01-30 1975-08-12 Automation Ind Inc Multi-frequency ultrasonic search unit
DE3012038A1 (de) * 1980-03-28 1981-10-01 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Elektroakustischer wasserschallwandler
US5121628A (en) * 1990-10-09 1992-06-16 Merkl Arthur W Ultrasonic detection system
WO1992018256A1 (fr) * 1991-04-20 1992-10-29 Jones Richard W Dispositif de generation d'ondes acoustiques
US5355048A (en) * 1993-07-21 1994-10-11 Fsi International, Inc. Megasonic transducer for cleaning substrate surfaces

Also Published As

Publication number Publication date
EP0749005A2 (fr) 1996-12-18
DE29509574U1 (de) 1996-07-11

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